Difference between revisions of "Unix tools/yes"
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| + | == yes == | ||
| + | A simple utility to repeatedly print y to standard out. | ||
| + | |||
| + | Here are some various ways this simple program can be written. | ||
| + | |||
| + | <haskell> | ||
| + | main = let y = putStrLn "y" >> y in y | ||
| + | </haskell> | ||
| + | |||
| + | <haskell> | ||
| + | main = putStrLn $ concat $ repeat "y\n" | ||
| + | </haskell> | ||
| + | |||
| + | <haskell> | ||
| + | main = let y = 'y' : '\n' : y in putStrLn y | ||
| + | </haskell> | ||
| + | |||
| + | <haskell> | ||
| + | main = putStrLn "y" >> main | ||
| + | </haskell> | ||
Revision as of 15:19, 6 February 2021
yes
A simple utility to repeatedly print y to standard out.
Here are some various ways this simple program can be written.
main = let y = putStrLn "y" >> y in y
main = putStrLn $ concat $ repeat "y\n"
main = let y = 'y' : '\n' : y in putStrLn y
main = putStrLn "y" >> main